| Date | Person | Description |
|---|---|---|
| 1612 – 1615 | Perovius, Szymon | Studied astronomical observations, proper instrument use in Kalisz |
| 1615 – 1617 | Perovius, Szymon | Teacher of poetics in Jarosław, Sandomierz |
| Perovius, Szymon | Perovius conducted astronomical observations and learned proper instrument use under the guidance of Malapert in Kalisz |